<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
  <link rel="stylesheet" href="../css/bootstrap.css">
  <script src="../js/jq-1.12.4.js"></script>
  <script src="../js/bootstrap.js"></script>
</head>

<body>
  <div id="app" class='container'>
    <h3>响应式导航nav-justified</h3>
    <ul class="nav  nav-pills nav-justified">
      <li class="active"><a href="#">首页</a></li>
      <li><a href="#">搜索</a></li>
      <li><a href="#">热点</a></li>
      <li><a href="#">美女</a></li>
      <li><a href="#">军事</a></li>
    </ul>
    <div>
      首页
    </div>
  </div>
</body>
<script>
  $(".nav li").click(function () {
    //修改激活状态
    $(this).siblings().removeClass("active").end().addClass("active")
    //在div中显示点击的内容
    $(this).parent().next().html($(this).html())
  })
</script>

</html>